Stainless Steel Pipe Fitting, Bushing, M & F, Stainless Steel Pipe Fitting, Elbow Union, M & F, Conical or Flat Seat, Materials: WCB, SS316,SS304, CF3, CF3M, CF8, CF8M, C5, 304L, 316L Standard:API6D, DIN, JIS, ANSI, BS, MSS-SP114,ect... Inspection and test: API6D, BS6755.